Honda NSX vs BMW 840d xDrive Gran Coupe G15: which is cheaper to run?

What each kilometre costs, depending on your driving profile, how you charge and the share of the trip driven on electricity or fuel.

sports car2017 vs 202115,000 km/anMixedPetrol 95 2.17 €/L · Diesel 2.38 €/LHome 0.20 €/kWhMethodology

Annual mileage

15,000 km

Driving mix

30 % City · 50 % Road · 20 % Motorway

Fuel price

Petrol 95 2.17 €/L · Diesel 2.38 €/Lprix-carburants.gouv.fr — moyenne nationale du 05/10/2026 ; EDF Tarif Bleu Base au 01/08/2026 ; DC autoroute : moyenne des réseaux sans abonnement

Charging type

Result · yearly energy cost

AHonda NSX

3,463 €per year

10,6 L/100 km weighted · 23.09 € per 100 km · 1 596 L per year

GapComparison unavailable - manufacturer data being validated.

BBMW 840d xDrive Gran Coupe G15

Comparison unavailable - manufacturer data being validated.

7,7 L/100 km weighted · 1 160 L per year

What produces these figures

WLTP combined: 10.2 L/100 km · 5.9 L/100 km
Power: 500 ch · 340 ch
Kerb weight: 1,725 kg · 1,995 kg